I just kept a pad of paper on the fridge and wrote down times as I went. I'm sure if you google though you might be able to find a pdf file that has some type of chart that would work.
ETA: I found this and it seems to be a pretty decent layout.
I just jotted down feedings/diapers/naps in a notebook when DS was born. I was a little obsessive and kept it up for a few months.... But, it's neat to look back at it now and see every little aspect of his life when he was so tiny!
Re: Record keeping sheets?
I just kept a pad of paper on the fridge and wrote down times as I went. I'm sure if you google though you might be able to find a pdf file that has some type of chart that would work.
ETA: I found this and it seems to be a pretty decent layout.
https://www.thetowells.com/wp-content/uploads/2009/06/oldfeedingchart.jpg
They'll give you some at the hospital too. But there are also some great apps for the iPhone for that. I think the one I used was baby log